英语词汇effective observation distance怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	effective observation distance
释义	effective observation distance 翻译有效观测距离以上为机器翻译结果，快速获取精准的人工翻译结果，建议选择有道人工翻译网络释义 1 ?有效观察距离 ... effective numerical aperture ==> 有效数值孔径 effective observation distance ==> 有效观察距离 effective opening ==> 有效孔径 ...
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英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。